日志框架冲突，引入依赖时需要排除掉。

<dependency>
  <groupId>com.qcloud</groupId>
  <artifactId>vod_api</artifactId>
  <exclusions>
    <exclusion>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
    </exclusion>
    <exclusion>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
    </exclusion>
  </exclusions>
</dependency>